The Photocatalytic Property of Nitrogen-Doped TiO<sub>2</sub> Nanoball Film

<table>Concentrations of methyl blue photodegraded by the pure TiO<sub>2</sub> and nitrogen-doped TiO<sub>2</sub>.</table>

International Journal of Photoenergy

Figure 5: The Photocatalytic Property of Nitrogen-Doped TiO<sub>2</sub> Nanoball Film 